CN102677230A - Environment-friendly method for producing renewable cotton - Google Patents
Environment-friendly method for producing renewable cotton Download PDFInfo
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- CN102677230A CN102677230A CN2011100652181A CN201110065218A CN102677230A CN 102677230 A CN102677230 A CN 102677230A CN 2011100652181 A CN2011100652181 A CN 2011100652181A CN 201110065218 A CN201110065218 A CN 201110065218A CN 102677230 A CN102677230 A CN 102677230A
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- bleaching
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Abstract
The invention discloses an environment-friendly method for producing renewable cotton. After leftover cloth, offal of cloth scrap and waste cotton spinning objects of a garment factory are processed through disinfection, sterilization, bleaching, washing, squeezing and dewatering and drying, the leftover cloth, the offal of cloth scrap and the waste cotton spinning objects can be manufactured into the renewable cotton through an upper carding machine and a cotton fluffing machine. The environment-friendly method for producing the renewable cotton solves the technical problems in the prior art that processing of the leftover cloth, the cloth scrap and fabric offal as waste materials wastes time and labor, pollutes environment, and wastes fabric resources. Solid waste and flocculation sediment after waste water filtering are placed in a sludge tank in centralized mode, finally a small amount of solid waste is mixed with coal and burned, and secondary pollution is prevented. The method improves efficiency and is environment-friendly and worth popularizing, and no three-waste is discharged in the whole process.
Description
Technical field the invention belongs to the regeneration cotton production technical field, relates to a kind of method of environmentally friendlyization production regeneration cotton.
Background technology is present, and the fabric leftover bits and pieces of the leftover of bolt of cloth under the cutting of clothes source mill, cloth bits leftover bits and pieces and cotton mill etc. are generally as offal treatment, not only wastes time and energy, contaminated environment, also wastes the fabric resource.
Summary of the invention the objective of the invention is to solve prior art exist the leftover of bolt of cloth, cloth bits and fabric leftover bits and pieces as offal treatment waste time and energy, the technical problem of contaminated environment, waste fabric resource; A kind of method of environmentally friendlyization production regeneration cotton is provided, to overcome the deficiency of prior art.
To achieve these goals, the method for environmentally friendlyization of the present invention production regeneration cotton, its main points are by following technological operation:
1), select materials: with the leftover of bolt of cloth of clothing factory, cloth bits leftover bits and pieces and waste cotton textiles leftover bits and pieces go-on-go manually, remove the metal impurities attachment, the cotton-spinning fabric leftover bits and pieces;
2), sterilization, sterilization, bleaching: with the cotton-spinning fabric leftover bits and pieces that the step 1) go-on-go obtains, adopt sealed micro-vacuum bleaching to handle, be about to the cotton-spinning fabric leftover bits and pieces and add in the drum-type bleaching machine; The water-jet vavuum pump is opened in the sealing of lid lid, opens drug-feeding tube; To contain the effective chlorine mass ratio and be 10% clorox complex liquid and add in the drum-type bleaching machine and bleach, requiring the mass ratio of complex liquid and cotton-spinning fabric leftover bits and pieces is 20: 1, and the chloride ion-containing waste vapour that produces in the bleaching process is pumped in the water-jet pond by the water-jet vavuum pump; Absorbed by the buck of pH10 in the pond～11, bleaching time is 2.5h, after bleaching is accomplished; Stop the cylinder rotation, the useless bleaching liquor in the tube is discharged in the airtight useless bleaching liquor storage pond, after having put through useless bleaching liquor delivery pipe; To start cylinder again, carry out laundry operation;
3), washing: three times gradient type washing methods are adopted in washing, promptly open washing water inlet shower, and the first pass washing is 3～4% circulation fluid with containing the effective chlorine mass ratio; The middle water of second time washing after the dechlorination, the clear water that the 3rd time washing used the middle water after handling and replenished, wherein the clear water of Bu Chonging accounts for 30% of the 3rd time slurry gross mass; Every is 10～15 minutes all over wash time, and water consumption is 5～7 times of cotton-spinning fabric offal quality, and the useless bleaching liquor liquid of the chloride washing of first pass is put into useless bleaching liquor storage pond; The scrub raffinate of second and third time enters in the cleaning solution collecting pit, useless bleaching liquor after filtration, flocculating and purifying, remove macromolecule starching thing and fuel residues compound in the raw material; And then, make the effective chlorine mass ratio in the bleaching liquor reach 10% through overregulating PH10～11, increasing chlorine, can participate in the configuration of bleaching liquor and recycle; The bleaching effect that chlorate that oxidation reaction generates and sodium chloride all help bleaching liquor, and do not influence result of use, the water of second and third time is washed waste liquid; After filtration; Middle water after dechlorination, flocculating and purifying are handled recycles as washings, and the water of processes expend adds replenishing of clear water by the 3rd time;
4), press dewatering: after raw material washs through bleaching and three times gradient; Stop the operation of cylinder and the operation of water-jet vavuum pump, open drum cover, draw off the raw material of bleaching; All put into and carry out press dewatering in the frame squeezer; The squeeze water of collecting is delivered in the washing collecting pit, participates in dechlorination and purified treatment, and the raw material after the squeezing gets into drying process;
5), raw material drying to water content≤5%, can go up carding machine and cotton fluffer is processed into regeneration cotton.
The invention solves prior art exist the leftover of bolt of cloth, cloth bits and fabric leftover bits and pieces as offal treatment waste time and energy, the technical problem of contaminated environment, waste fabric resource; Solid refuse and flocculate precipitate behind waste water filtering; In sludge-tank, leave concentratedly; Final a spot of solid refuse participates in burning in the coal, in case cause secondary pollution.Synergy environmental protection of the present invention, the whole process of production three-waste free discharge is worthy to be popularized.
The method of environmentally friendlyization of specific embodiment the present invention production regeneration cotton, its main points are by following technological operation:
1), select materials: with the leftover of bolt of cloth of clothing factory, cloth bits leftover bits and pieces and waste cotton textiles leftover bits and pieces go-on-go manually, remove the metal impurities attachment, the cotton-spinning fabric leftover bits and pieces;
2), sterilization, sterilization, bleaching: with the cotton-spinning fabric leftover bits and pieces that the step 1) go-on-go obtains, adopt sealed micro-vacuum bleaching to handle, be about to the cotton-spinning fabric leftover bits and pieces and add in the drum-type bleaching machine; The water-jet vavuum pump is opened in the sealing of lid lid, opens drug-feeding tube; To contain the effective chlorine mass ratio and be 10% clorox complex liquid and add in the drum-type bleaching machine and bleach, requiring the mass ratio of complex liquid and cotton-spinning fabric leftover bits and pieces is 20: 1, and the chloride ion-containing waste vapour that produces in the bleaching process is pumped in the water-jet pond by the water-jet vavuum pump; Absorbed by the buck of pH10 in the pond, bleaching time is 2.5h, after bleaching is accomplished; Stop the cylinder rotation, the useless bleaching liquor in the tube is discharged in the airtight useless bleaching liquor storage pond, after having put through useless bleaching liquor delivery pipe; To start cylinder again, carry out laundry operation;
3), washing: three times gradient type washing methods are adopted in washing, promptly open washing water inlet shower, and the first pass washing is 3.5% circulation fluid with containing the effective chlorine mass ratio; The middle water of second time washing after the dechlorination, the clear water that the 3rd time washing used the middle water after handling and replenished, wherein the clear water of Bu Chonging accounts for 30% of the 3rd time slurry gross mass; Every is 12 minutes all over wash time, and water consumption is 6 times of cotton-spinning fabric offal quality, and the useless bleaching liquor liquid of the chloride washing of first pass is put into useless bleaching liquor storage pond; The scrub raffinate of second and third time enters in the cleaning solution collecting pit, useless bleaching liquor after filtration, flocculating and purifying, remove macromolecule starching thing and fuel residues compound in the raw material; And then, make the effective chlorine mass ratio in the bleaching liquor reach 10% through overregulating PH10, increasing chlorine, can participate in the configuration of bleaching liquor and recycle; The bleaching effect that chlorate that oxidation reaction generates and sodium chloride all help bleaching liquor, and do not influence result of use, the water of second and third time is washed waste liquid; After filtration; Middle water after dechlorination, flocculating and purifying are handled recycles as washings, and the water of processes expend adds replenishing of clear water by the 3rd time;
4), press dewatering: after raw material washs through bleaching and three times gradient; Stop the operation of cylinder and the operation of water-jet vavuum pump, open drum cover, draw off the raw material of bleaching; All put into and carry out press dewatering in the frame squeezer; The squeeze water of collecting is delivered in the washing collecting pit, participates in dechlorination and purified treatment, and the raw material after the squeezing gets into drying process;
5), raw material drying to water content≤5%, can go up carding machine and cotton fluffer is processed into regeneration cotton.
Claims (1)
1. the method for an environmentally friendlyization production regeneration cotton is characterized in that by following technological operation:
1), select materials: with the leftover of bolt of cloth of clothing factory, cloth bits leftover bits and pieces and waste cotton textiles leftover bits and pieces go-on-go manually, remove the metal impurities attachment, the cotton-spinning fabric leftover bits and pieces;
2), sterilization, sterilization, bleaching: with the cotton-spinning fabric leftover bits and pieces that the step 1) go-on-go obtains, adopt sealed micro-vacuum bleaching to handle, be about to the cotton-spinning fabric leftover bits and pieces and add in the drum-type bleaching machine; The water-jet vavuum pump is opened in the sealing of lid lid, opens drug-feeding tube; To contain the effective chlorine mass ratio and be 10% clorox complex liquid and add in the drum-type bleaching machine and bleach, requiring the mass ratio of complex liquid and cotton-spinning fabric leftover bits and pieces is 20: 1, and the chloride ion-containing waste vapour that produces in the bleaching process is pumped in the water-jet pond by the water-jet vavuum pump; Absorbed by the buck of pH10 in the pond～11, bleaching time is 2.5h, after bleaching is accomplished; Stop the cylinder rotation, the useless bleaching liquor in the tube is discharged in the airtight useless bleaching liquor storage pond, after having put through useless bleaching liquor delivery pipe; To start cylinder again, carry out laundry operation;
3), washing: three times gradient type washing methods are adopted in washing, promptly open washing water inlet shower, and the first pass washing is 3～4% circulation fluid with containing the effective chlorine mass ratio; The middle water of second time washing after the dechlorination, the clear water that the 3rd time washing used the middle water after handling and replenished, wherein the clear water of Bu Chonging accounts for 30% of the 3rd time slurry gross mass; Every is 10～15 minutes all over wash time, and water consumption is 5～7 times of cotton-spinning fabric offal quality, and the useless bleaching liquor liquid of the chloride washing of first pass is put into useless bleaching liquor storage pond; The scrub raffinate of second and third time enters in the cleaning solution collecting pit, useless bleaching liquor after filtration, flocculating and purifying, remove macromolecule starching thing and fuel residues compound in the raw material; And then, make the effective chlorine mass ratio in the bleaching liquor reach 10% through overregulating PH10～11, increasing chlorine, can participate in the configuration of bleaching liquor and recycle; The bleaching effect that chlorate that oxidation reaction generates and sodium chloride all help bleaching liquor, and do not influence result of use, the water of second and third time is washed waste liquid; After filtration; Middle water after dechlorination, flocculating and purifying are handled recycles as washings, and the water of processes expend adds replenishing of clear water by the 3rd time;
4), press dewatering: after raw material washs through bleaching and three times gradient; Stop the operation of cylinder and the operation of water-jet vavuum pump, open drum cover, draw off the raw material of bleaching; All put into and carry out press dewatering in the frame squeezer; The squeeze water of collecting is delivered in the washing collecting pit, participates in dechlorination and purified treatment, and the raw material after the squeezing gets into drying process;
5), raw material drying to water content≤5%, can go up carding machine and cotton fluffer is processed into regeneration cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100652181A CN102677230A (en) | 2011-03-12 | 2011-03-12 | Environment-friendly method for producing renewable cotton |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100652181A CN102677230A (en) | 2011-03-12 | 2011-03-12 | Environment-friendly method for producing renewable cotton |
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| CN102677230A true CN102677230A (en) | 2012-09-19 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924326A (en) * | 2014-04-03 | 2014-07-16 | 北京中民慈善项目发展中心 | Method for regenerating spinnable fibers from blended worn-out garments |
| CN104593910A (en) * | 2015-02-05 | 2015-05-06 | 宜宾纬络纺织有限公司 | Preparation method of regenerated cotton |
| WO2015077807A1 (en) * | 2013-11-26 | 2015-06-04 | Lenzing Ag | Process for pretreating reclaimed cotton fibres to be used in the production of moulded bodies from regenerated cellulose |
| CN105088424A (en) * | 2015-07-08 | 2015-11-25 | 立天集团有限公司 | Method for extracting regenerated cotton from waste cloth corner |
| CN105780201A (en) * | 2016-04-29 | 2016-07-20 | 华南再生棉纱（梧州）有限公司 | Method for manufacturing textile waste recycled cotton |
| CN105887249A (en) * | 2016-04-29 | 2016-08-24 | 华南再生棉纱（梧州）有限公司 | Method for utilizing waste textiles to produce towel |
| CN107208325A (en) * | 2015-02-06 | 2017-09-26 | 连津格股份公司 | The recovery of man-made cellulose fibers |
| US9822188B2 (en) | 2013-10-15 | 2017-11-21 | Lenzing Ag | Cellulose suspension, method for the production and use thereof |
| US10093790B2 (en) | 2013-10-15 | 2018-10-09 | Lenzing Aktiengesellschaft | Three-dimensional cellulose molded body, method for the production thereof and use of the same |
| CN112850668A (en) * | 2019-11-27 | 2021-05-28 | 中天科技精密材料有限公司 | Chlorine-containing tail gas helium purification system |
-
2011
- 2011-03-12 CN CN2011100652181A patent/CN102677230A/en active Pending
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9822188B2 (en) | 2013-10-15 | 2017-11-21 | Lenzing Ag | Cellulose suspension, method for the production and use thereof |
| US10513564B2 (en) | 2013-10-15 | 2019-12-24 | Lenzing Aktiengesellschaft | Cellulose suspension, method for the production and use thereof |
| US10093790B2 (en) | 2013-10-15 | 2018-10-09 | Lenzing Aktiengesellschaft | Three-dimensional cellulose molded body, method for the production thereof and use of the same |
| AT515152B1 (en) * | 2013-11-26 | 2015-12-15 | Chemiefaser Lenzing Ag | A process for pretreating recovered cotton fibers for use in the manufacture of regenerated cellulose moldings |
| CN105765116B (en) * | 2013-11-26 | 2019-02-12 | 连津格股份公司 | For pre-processing the method for the recycling cotton fiber by regenerated cellulose production formed body |
| KR102154244B1 (en) * | 2013-11-26 | 2020-09-10 | 렌징 악티엔게젤샤프트 | Process for pretreating reclaimed cotton fibres to be used in the production of moulded bodies from regenerated cellulose |
| CN105765116A (en) * | 2013-11-26 | 2016-07-13 | 连津格股份公司 | Process for pretreating reclaimed cotton fibres to be used in the production of moulded bodies from regenerated cellulose |
| US10316467B2 (en) | 2013-11-26 | 2019-06-11 | Lenzing Aktiengesellschaft | Process for pretreating reclaimed cotton fibers to be used in the production of molded bodies from regenerated cellulose |
| KR20160090874A (en) * | 2013-11-26 | 2016-08-01 | 렌찡 악티엔게젤샤프트 | Process for pretreating reclaimed cotton fibres to be used in the production of moulded bodies from regenerated cellulose |
| WO2015077807A1 (en) * | 2013-11-26 | 2015-06-04 | Lenzing Ag | Process for pretreating reclaimed cotton fibres to be used in the production of moulded bodies from regenerated cellulose |
| JP2016537521A (en) * | 2013-11-26 | 2016-12-01 | レンツィング アクチェンゲゼルシャフト | Method for pretreating recovered cotton fibers used in the production of shaped bodies from regenerated cellulose |
| AT515152A1 (en) * | 2013-11-26 | 2015-06-15 | Chemiefaser Lenzing Ag | A process for pretreating recovered cotton fibers for use in the manufacture of regenerated cellulose moldings |
| CN103924326A (en) * | 2014-04-03 | 2014-07-16 | 北京中民慈善项目发展中心 | Method for regenerating spinnable fibers from blended worn-out garments |
| CN104593910A (en) * | 2015-02-05 | 2015-05-06 | 宜宾纬络纺织有限公司 | Preparation method of regenerated cotton |
| CN107208325A (en) * | 2015-02-06 | 2017-09-26 | 连津格股份公司 | The recovery of man-made cellulose fibers |
| US10370778B2 (en) | 2015-02-06 | 2019-08-06 | Lenzing Aktiengesellschaft | Recycling of man-made cellulosic fibers |
| TWI690547B (en) * | 2015-02-06 | 2020-04-11 | 奧地利商蘭仁股份有限公司 | Recycling of man-made cellulosic fibers |
| CN105088424B (en) * | 2015-07-08 | 2017-08-25 | 立天集团有限公司 | A kind of method that regeneration cotton is extracted in useless cloth angle |
| CN105088424A (en) * | 2015-07-08 | 2015-11-25 | 立天集团有限公司 | Method for extracting regenerated cotton from waste cloth corner |
| CN105780201B (en) * | 2016-04-29 | 2018-05-29 | 华南再生棉纱（梧州）有限公司 | The processing method of textile castoff regenerative cotton |
| CN105887249A (en) * | 2016-04-29 | 2016-08-24 | 华南再生棉纱（梧州）有限公司 | Method for utilizing waste textiles to produce towel |
| CN105780201A (en) * | 2016-04-29 | 2016-07-20 | 华南再生棉纱（梧州）有限公司 | Method for manufacturing textile waste recycled cotton |
| CN112850668A (en) * | 2019-11-27 | 2021-05-28 | 中天科技精密材料有限公司 | Chlorine-containing tail gas helium purification system |
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Application publication date: 20120919 |